CVE-2024-43521: CWE-253: Incorrect Check of Function Return Value in Microsoft Windows Server 2012
CVE-2024-43521 is a high-severity vulnerability in Microsoft Windows Server 2012 related to an incorrect check of a function return value in the Hyper-V component. This flaw can lead to a denial of service (DoS) condition. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-253, involves an incorrect check of a function return value within the Windows Hyper-V component on Windows Server 2012 (version 6.2.9200.0). The improper validation can cause the system to enter a denial of service state. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability results in denial of service, impacting system availability. There is no impact on confidentiality or integrity. The vulnerability can be exploited remotely without authentication or user interaction.
Mitigation Recommendations
An official fix is available from Microsoft for Windows Server 2012 version 6.2.9200.0. It is recommended to apply the provided security update to remediate this vulnerability.
CVE-2024-43521: CWE-253: Incorrect Check of Function Return Value in Microsoft Windows Server 2012
Description
CVE-2024-43521 is a high-severity vulnerability in Microsoft Windows Server 2012 related to an incorrect check of a function return value in the Hyper-V component. This flaw can lead to a denial of service (DoS) condition. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-253, involves an incorrect check of a function return value within the Windows Hyper-V component on Windows Server 2012 (version 6.2.9200.0). The improper validation can cause the system to enter a denial of service state. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability results in denial of service, impacting system availability. There is no impact on confidentiality or integrity. The vulnerability can be exploited remotely without authentication or user interaction.
Mitigation Recommendations
An official fix is available from Microsoft for Windows Server 2012 version 6.2.9200.0. It is recommended to apply the provided security update to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-08-14T01:08:33.529Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Gcve Source
- db.gcve.eu
Threat ID: 6a28671e8dd33fbd8572311f
Added to database: 06/09/2026, 19:18:54 UTC
Last enriched: 08/21/2026, 11:13:26 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 53
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.